main.rs

// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements.  See the NOTICE file distributed with
// this work for additional information regarding copyright ownership.
// The ASF licenses this file to You under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with
// the License.  You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

mod command;

use crate::command::Commands;
use anyhow::Context;
use clap::Parser;
use tracing::metadata::LevelFilter;
use tracing_subscriber::FmtSubscriber;

/// Args.
#[derive(Parser, Debug)]
#[clap(author, version, about, long_about = None)]
struct Args {
    /// Log level.
    #[clap(long, default_value = "INFO")]
    log_level: LevelFilter,

    #[clap(subcommand)]
    command: Commands,
}

fn setup_log(args: &Args) -> anyhow::Result<()> {
    let subscriber = FmtSubscriber::builder()
        .with_max_level(args.log_level)
        .finish();

    tracing::subscriber::set_global_default(subscriber).context("setting default subscriber failed")
}

fn main() -> anyhow::Result<()> {
    let args = Args::parse();
    setup_log(&args)?;
    args.command.run()?;
    Ok(())
}